[jdk11u-dev] RFR: 8251252: Add automated testcase for fix done in JDK-8214253

[Aleksey Shipilev]

Clean backport.

Additional testing:
 - [x] New test still passes

-------------

Commit messages:
 - Backport b6c861f9f8c8558ed6dc727d3379e58411d8f3f0

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/236/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=236&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8251252
  Stats: 194 lines in 1 file changed: 194 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/236.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/236/head:pull/236

PR: https://git.openjdk.java.net/jdk11u-dev/pull/236